Belief that Climate Change Is Happening (IMAGE) University of New Hampshire Caption This graph tracks the percentage who believe that climate change is happening now, caused by human activities. Broken down by political party: Democrats, Independents, Republicans and Tea Party supporters Credit Lawrence Hamilton/University of New Hampshire Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.